I have always had a problem using a scale constraint
For instance, with a base joint scale constrained to a IK/FK joint setup.
It almost always has a double transform even though I ticked off “inherent transform”.
The only way I can get out of this is to have the base joint out of hierarchies, which I am not really comfortable to do. (I.e. instead of Thigh>Knee>Ankle. Thigh, Knee and Ankle will be in the same hierarchy. No parent. No children).
So, I always just direct connection of scale instead with a blendTwoAttr node. It works so far.
But I am being insecure here, and just want to ask if I am doing the right thing?
Thank you for looking at the problem.